Jefferson County, Nebraska
Located in Nebraska, Jefferson County has a population of 7,161 residents and a median age of 44.4 years, making it the #2,726 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 10.1%. The median home value is $129,500, and the median household income is $59,044, which is 21% below the national median.
Demographics
Jefferson County has a population of 7,161, making it the #2,726 most populous county in the US. The median age is 44.4 years, which is 14.1% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Jefferson County is $59,044, ranking #2,167 out of 3,222 counties — 21.4% below the national median. The poverty rate is 10.1% and unemployment stands at 1.2%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Jefferson County is $129,500 (-54.1% vs national). Renters pay a median of $662/mo and the homeownership rate is 74.9%.
Median Home Value Trend
Rankings →Household Type
Education
In Jefferson County, 20.2% of adults age 25+ hold a bachelor's degree or higher, which is 40.0% below the national average, ranking #1,963 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Jefferson County is 76.6 years. 16.1% of adults report poor or fair health and 7.3% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
16.6% of adults in Jefferson County smoke , 39.9% are obese , and 21.3% report excessive drinking.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 19.9 per 100,000.
Motor Vehicle Deaths Trend
Families & Children
13.8% of children in Jefferson County live in poverty . The teen birth rate is 27.6 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Jefferson County is 67.1%. The mean commute time is 18.5 min, which is 33.1% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Jefferson County voted Republican with a margin of 45.3%. The vote was 26.7% Dem / 72% Rep. Compared to 2020, the margin shifted 2.4 toward Republicans .
Vote Share Over Time
About Jefferson County, Nebraska
Jefferson County, Nebraska has a total population of 7,161, making it the 2,726th most populous county in the United States. The median age in Jefferson County is 44.4 years, which is 14.1% above the national median of 38.9 years.
The median household income in Jefferson County is $59,044, which ranks #2,167 of 3,222 counties nationwide. This is 21.4% below the national median of $75,149. The poverty rate is 10.1%, lower than the national rate of 12.6%. The unemployment rate stands at 1.2%.
The median home value in Jefferson County is $129,500, 54.1% below the national median. Renters in Jefferson County pay a median gross rent of $662 per month. The homeownership rate is 74.9%, compared to the national rate of 64.4%.
In Jefferson County, 20.2% of residents aged 25 and older hold a bachelor's degree or higher, 40.0% below the national average of 33.7%. Health insurance coverage stands at 91.6% of the population. The average commute time for workers is 18.5 min.
Jefferson County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 90.5% of the population, followed by Hispanic or Latino (5.9%) and Two or More Races (3.1%).
All data for Jefferson County, Nebraska comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.